Archies Thongs are intentionally designed with a tighter strap and toe pole as it's better for your feet because it allows more optimal foot function. However, the good news is, while a tight strap is important for normal foot function, it is very, very easy to instantly fix this problem by stretching the strap with your hands to reach your desired level of tightness!
For instructions, please watch this video:
For more on stretching the strap, here's a video by Dan our founder.